3 years ago

What is the value of x?

Mathematics

1 answer:

Dafna1 [17]3 years ago

5 0

Answer:

$3x = 12x - 81$ (vertically opposite angles)

$→3x - 12x = - 81$

$→- 9x = - 81$

$→x = \frac{ - 81}{ - 9}$

$→x = \frac{81}{9}$

$→x = 9$

hope it helped you:)

You might be interested in

Name Perfect squares

Aleks04 [339]

Answer:

The perfect squares are the squares of the whole numbers: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100 and so on.......

Step-by-step explanation:

7 0

3 years ago

In a class experiment, Sean finds that the probability that a student plays soccer is . If the school population is 300, how man

AlexFokin [52]

It's 144

well I just got out of a test and the answer was 144.

8 0

3 years ago

Jill’s room is 12 feet long and 10 feet wide. she made a scale drawing of the room with a scale of 0.5 inches = 2 feet. what is

umka21 [38]

12/2=6.
6X0.5=3
so the scale drawing is 3 inches long
10/2=5
5X0.5=2.5
so the width of the scale drawing is 2.5 inches
3+3+2.5+2.5=11

3 0

3 years ago

There are 6 black socks and 4 white socks in a drawer. If one sock is taken out without

miss Akunina [59]

Answer:

60 percent

Step-by-step explanation:

6 black socks, 4 white socks, 10 socks altogether, 60 percent of the socks are black, so is the chance of picking both black socks

6 0

3 years ago

Simplify each expression into a single number using standard algorithms. 1.-3-2

liberstina [14]

Answer:

- 5

Step-by-step explanation:

Step 1:

- 3 - 2 Equation

Step 2:

- 3 - 2 Add

Answer:

- 5

Subtracting from a negative number is the same thing as adding. If you have a negative number and you have to subtract from it. You just add both of the negative numbers together.

Hope This Helps :)

4 0

3 years ago